COMTREE USA

CT1604

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Linear bus
Wiring Type   Unshielded twisted pair
Boot ROM      Available

[Image]

                        BASE MEMORY ADDRESS SELECT

       Address           JP1/A        JP1/B         JP1/C        JP1/D

  »      BOOT ROM         Open         N/A           N/A          N/A
         Disabled

          C0000h         Closed       Closed       Closed       Closed

          C4000h         Closed        Open        Closed       Closed

          C8000h         Closed       Closed        Open        Closed

          CC000h         Closed        Open         Open        Closed

          D0000h         Closed       Closed       Closed        Open

          D4000h         Closed        Open        Closed        Open

          D8000h         Closed       Closed        Open         Open

          DC000h         Closed        Open         Open         Open

                            I/O ADDRESS SELECT

          Address                   JP2/A                   JP2/B

  »          300h                  Closed                  Closed

             320h                   Open                   Closed

             340h                  Closed                   Open

             360h                   Open                    Open

                           SYSTEM COMPATIBILITY

                 Setting                                 JP3

  »        Standard PC/AT compatible                   Closed

         PS/2 30-286 or NEAT PC/AT 286                  Open

                             INTERRUPT SELECT

    IRQ      JP4/A    JP4/B    JP4/C    JP4/D    JP4/E    JP4/F    JP4/G

  »   IRQ3    Open    Closed    Open     Open    Open     Open      Open

      IRQ2   Closed    Open     Open     Open    Open     Open      Open

      IRQ4    Open     Open    Closed    Open    Open     Open      Open

      IRQ5    Open     Open     Open    Closed   Open     Open      Open

      IRQ10   Open     Open     Open     Open    Closed   Open      Open

      IRQ11   Open     Open     Open     Open    Open     Closed    Open

      IRQ12   Open     Open     Open     Open    Open     Open     Closed